Maureen Alivon1, Julie Giroux, Marie Briet, François Goldwasser, Stéphane Laurent, Pierre Boutouyrie. 1. aUniversité Paris-Descartes bINSERM U970 cAssistance Publique-Hôpitaux de Paris dDepartment of Pharmacology eClinical Investigation Center, Hôpital Européen Georges Pompidou fDepartment of Oncology, CERIA, Hôpital Cochin, Paris, France *Maureen Alivon and Julie Giroux contributed equally to the writing of this article.
Abstract
BACKGROUND: Systemic hypertension is a frequent side effect of antiangiogenic drugs (AADs) and may represent a marker of efficacy on cancer. We hypothesized that large artery properties are affected by AADs, and contribute to the rise of blood pressure and may be better related to cancer progression and mortality than hypertension. METHODS AND RESULTS: Participants were studied before AADs (V0), 10 days later (V1) and then every 2 weeks for 6 weeks (V1-V4). We included 57 consecutive patients in whom treatment with sorafenib (400 mg twice daily) or sunitinib (37.5-50 mg once daily) was indicated. The target dose could be adjusted according to tolerance and response. Aortic and carotid stiffness, brachial and central blood pressure and augmentation index were measured noninvasively at each visit. Data regarding cancer progression and mortality were collected at 6 months. Twenty-eight patients (49%) developed hypertension. Brachial SBP significantly increased during follow-up (V0-V1: +9.6 ± 15.2 mmHg, P < 0.001; V0-V4: +6.0 ± 17.8 mmHg, P = 0.04). Central BP, and aortic and carotid stiffness increased independently of brachial BP changes. Aortic and carotid stiffening were associated with cancer progression independently of BP changes [hazard risk 1.24 (1.01-1.51) and 1.34 (1.03-1.73), respectively; P < 0.05], but not with cancer mortality. Brachial SBP had no predictive value. CONCLUSION: Large arteries stiffen during AAD treatment partly independently of BP changes. Arterial mechanical properties are associated with BP rise. Arterial stiffening is related with the effects of AAD on cancer progression independently of BP changes. Large artery properties might help monitor AAD therapy in cancer patients.
BACKGROUND: Systemic hypertension is a frequent side effect of antiangiogenic drugs (AADs) and may represent a marker of efficacy on cancer. We hypothesized that large artery properties are affected by AADs, and contribute to the rise of blood pressure and may be better related to cancer progression and mortality than hypertension. METHODS AND RESULTS:Participants were studied before AADs (V0), 10 days later (V1) and then every 2 weeks for 6 weeks (V1-V4). We included 57 consecutive patients in whom treatment with sorafenib (400 mg twice daily) or sunitinib (37.5-50 mg once daily) was indicated. The target dose could be adjusted according to tolerance and response. Aortic and carotid stiffness, brachial and central blood pressure and augmentation index were measured noninvasively at each visit. Data regarding cancer progression and mortality were collected at 6 months. Twenty-eight patients (49%) developed hypertension. BrachialSBP significantly increased during follow-up (V0-V1: +9.6 ± 15.2 mmHg, P < 0.001; V0-V4: +6.0 ± 17.8 mmHg, P = 0.04). Central BP, and aortic and carotid stiffness increased independently of brachialBP changes. Aortic and carotid stiffening were associated with cancer progression independently of BP changes [hazard risk 1.24 (1.01-1.51) and 1.34 (1.03-1.73), respectively; P < 0.05], but not with cancer mortality. BrachialSBP had no predictive value. CONCLUSION: Large arteries stiffen during AAD treatment partly independently of BP changes. Arterial mechanical properties are associated with BP rise. Arterial stiffening is related with the effects of AAD on cancer progression independently of BP changes. Large artery properties might help monitor AAD therapy in cancerpatients.
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